PT-2026-27773 · Isc+2 · Bind+2

Published 2026-01-01 · Updated 2026-05-21 · CVE-2026-3119

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions BIND versions 9.20.0 through 9.20.20 BIND versions 9.21.0 through 9.21.19 BIND versions 9.20.9-S1 through 9.20.20-S1

Description BIND may terminate unexpectedly when processing a correctly signed query containing a TKEY record. This issue occurs if an incoming request has a valid transaction signature (TSIG) from a key declared in the named configuration. The affected code is reached under specific conditions related to authenticated queries.

Recommendations Update BIND to a version later than 9.20.20. Update BIND to a version later than 9.21.19. Update BIND to a version later than 9.20.20-S1.

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2026-3119

OPENSUSE-SU-2026:10448-1

OPENSUSE-SU-2026:20550-1

RHSA-2026:6935

SUSE-SU-2026:1351-1

SUSE-SU-2026:21204-1

USN-8124-1

Affected Products

Bind

Linuxmint

Ubuntu

References · 35

• https://kb.isc.org/docs/cve-2026-3119 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3119 · Security Note
• https://osv.dev/vulnerability/USN-8124-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1351-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3119 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3119 · Security Note
• https://ubuntu.com/security/notices/USN-8124-1 · Vendor Advisory
• https://downloads.isc.org/isc/bind9/9.21.20 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2026:10448-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-3119 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:21204-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-3119 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-3119 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1519 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20550-1 · Vendor Advisory